/**
 * #      1483
 * 名称   树节点的第 K 个祖先
 * 链接   https://leetcode-cn.com/problems/kth-ancestor-of-a-tree-node
 * 题解   [60](https://leetcode-cn.com/problems/kth-ancestor-of-a-tree-node/solution)
 * 通过率 28.9%
 * 难道   困难
 */

